18297545529 has 16 divisors (see below), whose sum is σ = 24470290944. Its totient is φ = 12161635200.

The previous prime is 18297545491. The next prime is 18297545533. The reversal of 18297545529 is 92554579281.

It is not a de Polignac number, because 18297545529 - 2¹² = 18297541433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18297545729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543027 + ... + 1554839.

It is an arithmetic number, because the mean of its divisors is an integer number (1529393184).

Almost surely, 2^18297545529 is an apocalyptic number.

It is an amenable number.

18297545529 is a deficient number, since it is larger than the sum of its proper divisors (6172745415).

18297545529 is a wasteful number, since it uses less digits than its factorization.

18297545529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328.

The product of its digits is 9072000, while the sum is 57.

The spelling of 18297545529 in words is "eighteen billion, two hundred ninety-seven million, five hundred forty-five thousand, five hundred twenty-nine".